VDI 3786 Blatt 2-2000 Environmental meteorology - Meteorological measurements concerning questions of air pollution - Wind.pdf

1、VEREIN DEUTSCHERINGENIEUREUmweltmeteorologieMeteorologische Messungen fr Fragen der Luftreinhaltung WindEnvironmental meteorologyMeteorological measurements concerning questionsof air pollution WindVDI 3786Blatt 2 / Part 2Ausg. deutsch/englischIssue German/EnglishKommission Reinhaltung der Luft (KRd

2、L) im VDI und DIN NormenausschussArbeitsgruppe WindAusschuss Meteorologische MessungenVDI/DIN-Handbuch Reinhaltung der Luft, Band 1bVDI-RICHTLINIENZu beziehen durch/ Availablefrom Beuth Verlag GmbH, 10772BerlinAlle Rechtevorbehalten / All rightsreserved VereinDeutscher Ingenieure, Dsseldorf 2000Verv

3、ielfltigung auchfr innerbetriebliche Zwecke nicht gestattet / Reproduction even for internal use not permittedDer Entwurf dieser Richtlinie wurde mit Ankndigung im Bundes-anzeiger einem ffentlichen Einspruchsverfahren unterworfen.Die deutsche Version dieser Richtlinie ist verbindlich.ICS 13.040.10;

4、07.060Dezember 2000December 2000The draft of this guideline has been subject to public scrutinyafter announcement in the Bundesanzeiger (Federal Gazette).No guarantee can be given with respect to the English transla-tion. The German version of this guideline shall be taken asauthoritative.Inhalt 6HL

5、WH9RUEHPHUNXQJ (LQOHLWXQJ 1 Grundlagen 3KVLNDOLVFKH *UXQGODJHQ 0HVVYHUIDKUHQ 2 Messwertgeber 3 Standortwahl und Messgertetrger 6WDQGDUGDXIVWHOOXQJ $XIVWHOOXQJ I U VSHLHOOH =ZHFNH 0HVVJHUlWHWUlJHU (LQQRUGXQJ GHV :LQGULFKWXQJVJHEHUV 4 Datenerfassung LJLWDOH DWHQHUIDVVXQJ $QDORJUHJLVWULHUXQJ DXI 3DSLHU

6、 5HFKQHUJHVW WWH 0HVVZHUWHUIDVVXQJ 5 Kalibrierung und Datenqualitt .DOLEULHUXQJ 4XDOLWlWVPDQDJHPHQW 40 DUOHJXQJ 4XDOLWlWVOHQNXQJ 4 eingebaute Anzeige; temporre MessungenStaudruck-Handanemometer Staudse 1,0 keine Registrierung mglich, nicht fr kontinuierliche automatische Messun-gen geeignetThermisch

7、es Anemometer Thermistor, Hitzdraht, Heifilm0,2 + sehr empfindlich, nicht fr kontinuierli-che automatische Messungen geeignetB. Messgre: WindrichtungWindfahne mit einfachem oder doppeltem BlattPotentiometer oder opto-elektronischer Impulsgeber1,0 2b +Codegeber Umformung des Codes in Strom- oder Span

8、nungssignaleC. Messgre: Windgeschwindigkeit und WindrichtungSchalenstern koaxial mit Wind-fahne kombiniertelektrisch, siehe A und B 2,4 2c +Schalenstern kombiniert mit Wind-fahne bereinander elektrisch, siehe A und B 1,0 + kompakte Bauart, unteres Messgert kann durch Haltebgel beeinflusst sein neben

9、einander elektrisch, siehe A und B 1,0 2i + groer Abstand der Messwertgeber mindert gegenseitige BeeinflussungWindfahne mit integriertem Pro-peller-Anemometerelektrisch 2,0 2e + geeignet fr Fluktuationsmessungen2-D-Ultraschall-Anemometer elektronisch 1,5 2g + trgheitslose Messung, geeignet fr Fluktu

10、ationsmessungenWindrichtungsunabhngiges ther-misches Anemometerelektrisch/elektronisch; beheizter Zylinder2,2 2f + keine mechanisch bewegten TeileD. Messung des vollstndigen WindvektorsVektorwindfahne mit integriertem Propeller-Anemometer0,7 + geeignet fr Fluktuationsmessungen; stranfllig bei Nieder

11、schlag und hoher WindgeschwindigkeitOrthogonal-Propeller-Anemometer optischer Impulsgeber 12 2d +3-D-Ultraschall-Anemometer elektronisch 2 2h + trgheitslose Messung, geeignet fr FluktuationsmessungenB55EB1B3E14C22109E918E8EA43EDB30F09DCCB7EF86D9NormCD - Stand 2012-08Alle Rechte vorbehalten Verein De

12、utscher Ingenieure, Dsseldorf 2000 9, %ODWW 3DUW Table 1. Wind-measuring instrumentsNote: 9DOXHV JLYHQ DUH WSLFDO IRU LQVWUXPHQWV FXUUHQWO RQ RIIHU Sensors Mass (approx.)kgFigure Needs electric power supplySpecial characteristicsTransducersA. Quantity to be measured: Wind speedCup anemometer AC gene

13、rator 1,0 2aDC generator 1,0Contact switch 1,0 Variable operating sequence Counter 1,0 Integrated display, recording impossiblePulser, magnetic 1,0 + Any number of additional instruments possible,Pulser, inductive 1,0 + linear scale possible, remote measuring, Pulser, opto-electronic 1,0 + independe

14、nt of line resistance(Hand-held anemometer) eddy current measuring system0,4 Easy handling; integrated display; temporary measurements Hand-held pressure-tube anemometerPressure tube 1,0 Recording impossible, not suitable for continuous automatic measurementsThermal anemometer Thermistor, hot wire,

15、hot film0,2 + Very sensitive, not suitable for continuous automatic measurementsB. Quantity to be measured: Wind directionWind vane with single fin or two finsPotentiometer or opto-electronic pulser1,0 2b +Encoder Conversion of code to current or voltage signalsC: Quantity to be measured: Wind speed

16、 and directionCup anemometer and wind vane mounted coaxiallyElectrical, see A and B 2,4 2c +Cup anemometer and wind vane vertical combination Electrical, see A and B 1,0 + Compact design; lower instrument subject to interferences from the support horizontal combination Electrical, see A and B 1,0 2i

17、 + Large distance between sensors reduces mutual influencesWind vane with integrated propeller anemometerElectrical 2,0 2e + Suitable for measurements of fluctuations2-D ultrasonic anemometer Electronic 1,5 2g + Measurement without inertia, suita-ble for measurements of fluctuationsDirection-indepen

18、dent ther-mal anemometerElectrical/electronic; hea-ted cylinder2,2 2f + No moving partsD. Measurement of the complete wind vectorVector wind vane with integra-ted propeller anemometer0,7 + Suitable for measurements of fluctua-tions; susceptible to faults due to precipitation and at high wind speedOr

19、thogonal propeller anemo-meterOptical pulser 12 2d +3-D ultrasonic anemometer Electronic 2 2h + Measurement without inertia, suita-ble for measurements of fluctuationsB55EB1B3E14C22109E918E8EA43EDB30F09DCCB7EF86D9NormCD - Stand 2012-08All rights reserved Verein Deutscher Ingenieure, Dsseldorf 2000 9

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34、ahne mit integriertem Propeller-AnemometerFig. 2e. Wind vane with built-in propeller anemometerBild 2b. Windfahne mit LeitflcheFig. 2b. Wind vane with finBild 2d. Orthogonal-Propeller-AnemometerFig. 2d. Orthogonal propeller anemometerBild 2f. Thermisches AnemometerFig. 2f. Thermal anemometerB55EB1B3

35、E14C22109E918E8EA43EDB30F09DCCB7EF86D9NormCD - Stand 2012-08All rights reserved Verein Deutscher Ingenieure, Dsseldorf 2000 9, %ODWW 3DUW Bild 2g. 2-D-Ultraschall-AnemometerFig. 2g. 2-D ultrasonic anemometerBild 2i. Beispiel fr Schalenstern-Anemometer und Windfahneauf gemeinsamer HalterungBild 2h. 3

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